RUEF300U is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Littelfuse Inc.
In Stock: 1,000
Unit Price: $0.54000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.57000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.24320
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.42000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.60000
Datasheet
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
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RUEF300U

DigiKey Part Number
RUEF300U-ND
Manufacturer
Manufacturer Part Number
RUEF300U
Description
PTC RESET FUSE 30V 3A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
10.8 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
20 mOhms
Series
Resistance - Post Trip (R1) (Max)
80 mOhms
Packaging
Bag
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
30V
Size / Dimension
0.449" L x 0.118" W (11.40mm x 3.00mm)
Current - Hold (Ih) (Max)
3 A
Height - Seated (Max)
0.650" (16.50mm)
Current - Trip (It)
6 A
Lead Spacing
0.199" (5.05mm)
Current - Max
100 A
Approval Agency
CQC, CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RUEF300K-APLittelfuse Inc.1,000RUEF300K-APCT-ND$0.54000Parametric Equivalent
RUEF300Littelfuse Inc.0RUEF300HF-ND$0.57000Parametric Equivalent
RUEF300-2Littelfuse Inc.0RUEF300-2HFTR-ND$0.24320Parametric Equivalent
RUEF300-APLittelfuse Inc.0RUEF300-APHFCT-ND$0.42000Parametric Equivalent
RUEF300U-2Littelfuse Inc.018-RUEF300U-2TR-ND$0.60000Parametric Equivalent
In-Stock: 0
500 estimated in stock on 01-Apr-2027
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All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.57000$0.57
5$0.47400$2.37
10$0.43600$4.36
50$0.36200$18.10
100$0.33410$33.41
250$0.30036$75.09
500$0.27702$138.51
1,000$0.25544$255.44
5,000$0.21122$1,056.10
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